.middle {
    width: 1200px;
    height: 1000px;
    margin: 100px auto;

}
.special h4 {
    font-size: 22px;
    font-weight: normal;
    color: #323232;
}
.special p {
    font-size: 14px;
    color: #b7b1b1;
}
.middle ul {
    width: 1200px;
    height: 888px;
}
.middle ul li {
    float: left;
    width: 557px;
    height: 250px;
    margin-top: 67px;
}
.middle ul li:nth-child(2n-1) {
    margin-right: 86px;
}
.middle ul li img {
    float: left;
    width: 350px;
    height: 250px;
}
.box {
    float: left;
    width: 182px;
    height: 250px;
    margin-left: 25px;
}
.box .d1 {
    width: 138px;
    height: 40px;
    line-height: 24px;

}
.box .d1 h4 {
    font-size: 16px;
    font-weight: normal;
    color: #3a3a3a;

}
.box .d1 p {
    font-size: 14px;
    color: #727171;

}
.box .d2 {
    margin-top: 11px;
}
.box .d2 span {
        width: 43px;
        height: 20px;
        border: solid 1px #b5b5b5;
        font-size: 14px;
        color: #474646;
        margin-right: 10px;
}
.box .d3 {
    font-size: 14px;
    color: #727171;
    margin-top: 34px;
    line-height: 24px;
}